document.write( "Question 616955: Lawanda and Betty both drive the same distance to the shore. By driving 15 miles per hour faster than Betty, Lawanda can get there in 3 hours while Betty takes 4 hours. How fast does each drive? \n" ); document.write( "
Algebra.Com's Answer #388025 by vleith(2983)\"\" \"About 
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\"Distance+=+speed+%2A+Time\" So
\n" ); document.write( "\"DistanceBetty+=+SpeedBetty+%2A+4\"
\n" ); document.write( "\"DistanceLawanda+=+SpeedLawanda+%2A+3\"\r
\n" ); document.write( "\n" ); document.write( "The two distances are the same, so
\n" ); document.write( "\"SpeedBetty+%2A+4+=+SpeedLawanda+%2A+3\"\r
\n" ); document.write( "\n" ); document.write( "You are also told \"SpeedLawanda+=+SpeedBetty+%2B+15\". So\r
\n" ); document.write( "\n" ); document.write( "\"SpeedBetty+%2A+4+=+%28SpeedBetty%2B15%29+%2A+3\"
\n" ); document.write( "\"4SpeedBetty+=+3SpeedBetty+%2B+45\"
\n" ); document.write( "\"SpeedBetty+=+45\"
\n" ); document.write( "So SpeedLawanda is 45+15 = 60.\r
\n" ); document.write( "\n" ); document.write( "Check your answer
\n" ); document.write( "is 3*60 = 4*45??
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